Home / 112,338.07-168,559.20-49,149.86

Finding the Fourth Proportional to 112,338.07, 168,559.20 and 49,149.86

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Solution

The fourth proportional to 112,338.07, 168,559.20 and 49,149.86 is: 73,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338.07 : 168,559.20 = 49,149.86 : x
  2. Step 2: Convert to fraction form
    112,338.07/168,559.20 = 49,149.86/x
  3. Step 3: Cross multiply
    112,338.07x = 168,559.20 × 49,149.86
  4. Step 4: Simplify right side
    112,338.07x = 8,284,661,325.30
  5. Step 5: Solve for x
    x = 8,284,661,325.30/112,338.07
  6. Step 6: Final answer
    x = 73,747.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.